| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion The grammar of expressions is extended to allow any expression to |
| /// be suffixed with a !. |
| /// |
| /// @description Check that any expression can be suffixed with a ! |
| /// @author sgrekhov@unipro.ru |
| |
| // Requirements=nnbd-strong |
| import "../../Utils/expect.dart"; |
| |
| class C {} |
| |
| test1(C c) {} |
| |
| test2(Object o) {} |
| |
| main() { |
| var c = new C() as C?; |
| test1(c!); |
| |
| var o = new Object() as Object?; |
| test2(o!); |
| |
| var i = 42 as int?; |
| test2(i!); |
| |
| Expect.throws(() {null!;}); |
| } |
